/* ===== CSS Variables ===== */
:root {
  --primary: #2563eb;
  --primary-dark: #1d4ed8;
  --primary-light: #dbeafe;
  --primary-50: #eff6ff;
  --accent: #8b5cf6;
  --accent-light: #ede9fe;
  --success: #10b981;
  --warning: #f59e0b;
  --error: #ef4444;
  --bg: #f0f4f8;
  --surface: #ffffff;
  --surface-hover: #f1f5f9;
  --text-primary: #0f172a;
  --text-secondary: #475569;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --border-light: #f1f5f9;
  --gradient-primary: linear-gradient(135deg, #2563eb 0%, #7c3aed 100%);
  --gradient-hero: linear-gradient(-45deg, #1e3a8a, #2563eb, #7c3aed, #6d28d9);
  --shadow-xs: 0 1px 2px rgba(0,0,0,0.04);
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
  --shadow: 0 4px 6px -1px rgba(0,0,0,0.06);
  --shadow-md: 0 6px 16px -4px rgba(0,0,0,0.08);
  --shadow-lg: 0 10px 24px -6px rgba(0,0,0,0.1);
  --shadow-xl: 0 20px 40px -12px rgba(0,0,0,0.15);
  --shadow-glow: 0 4px 20px -4px rgba(37,99,235,0.2);
  --radius: 10px;
  --radius-lg: 14px;
  --radius-xl: 20px;
  --radius-2xl: 28px;
  --sidebar-width: 236px;
  --header-height: 64px;
  --transition-fast: all 0.15s cubic-bezier(0.4, 0, 0.2, 1);
  --transition: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
}

/* ===== Dark Mode ===== */

/* ===== Reset & Base ===== */
*, *::before, *::after { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Inter', 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', sans-serif;
  background: var(--bg);
  color: var(--text-primary);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  font-variant-numeric: tabular-nums;
  font-feature-settings: 'tnum' 1, 'cv11' 1;
}
a { text-decoration: none; color: inherit; }
button { cursor: pointer; font-family: inherit; }
input { font-family: inherit; }

/* ===== Animated Background Mesh ===== */
.bg-mesh {
  position: fixed; inset: 0; z-index: -1; pointer-events: none;
  overflow: hidden;
}
.bg-mesh .orb {
  position: absolute; border-radius: 50%;
  filter: blur(80px); opacity: 0.5;
  animation: orbFloat 20s ease-in-out infinite;
}
.bg-mesh .orb-1 {
  width: 500px; height: 500px; top: -10%; right: -5%;
  background: radial-gradient(circle, rgba(37,99,235,0.12), transparent 70%);
  animation-duration: 25s;
}
.bg-mesh .orb-2 {
  width: 600px; height: 600px; bottom: -15%; left: -10%;
  background: radial-gradient(circle, rgba(124,58,237,0.1), transparent 70%);
  animation-duration: 30s; animation-delay: -5s;
}
.bg-mesh .orb-3 {
  width: 350px; height: 350px; top: 40%; left: 30%;
  background: radial-gradient(circle, rgba(6,182,212,0.06), transparent 70%);
  animation-duration: 22s; animation-delay: -10s;
}
@keyframes orbFloat {
  0%, 100% { transform: translate(0, 0) scale(1); }
  25% { transform: translate(30px, -40px) scale(1.05); }
  50% { transform: translate(-20px, 20px) scale(0.95); }
  75% { transform: translate(15px, 30px) scale(1.02); }
}

/* ===== Header ===== */
.header {
  position: fixed; top: 0; left: 0; right: 0;
  height: var(--header-height);
  background: rgba(255,255,255,0.65);
  backdrop-filter: blur(28px) saturate(180%);
  -webkit-backdrop-filter: blur(28px) saturate(180%);
  border-bottom: 1px solid rgba(226,232,240,0.5);
  z-index: 100;
  transition: var(--transition);
}
.header-inner {
  max-width: 1600px; margin: 0 auto;
  display: grid; grid-template-columns: 1fr auto 1fr;
  align-items: center;
  padding: 0 28px; height: 100%; gap: 24px;
}
.header-inner > .logo { justify-self: start; }
.header-inner > .search-box { justify-self: center; }
.header-inner > .header-actions { justify-self: end; }
.logo {
  display: flex; align-items: center; gap: 12px;
  font-size: 1.25rem; font-weight: 800;
  white-space: nowrap; letter-spacing: -0.03em;
}
.logo-text {
  background: linear-gradient(135deg, #fb923c 0%, #fbbf24 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.logo-icon {
  width: 36px; height: 36px;
  border-radius: 10px;
  box-shadow: 0 2px 12px rgba(251, 146, 60, 0.35);
  position: relative;
  flex-shrink: 0;
  display: flex;
  align-items: center;
  justify-content: center;
  overflow: hidden;
  transition: transform 0.3s cubic-bezier(0.34, 1.56, 0.64, 1);
}
.logo-icon .cat-svg {
  width: 100%;
  height: 100%;
  display: block;
}
.cat-eye {
  transform-box: fill-box;
  transform-origin: center;
}
.logo:hover .logo-icon {
  transform: rotate(-4deg) scale(1.05);
}
.logo:hover .cat-eye {
  animation: catBlink 0.45s ease-in-out;
}
@keyframes catBlink {
  0%, 100% { transform: scaleY(1); }
  45%, 55% { transform: scaleY(0.1); }
}
.logo-icon::after {
  content: '';
  position: absolute; inset: -2px; border-radius: 12px;
  background: linear-gradient(135deg, #fb923c 0%, #fbbf24 100%); opacity: 0;
  filter: blur(8px); z-index: -1;
  animation: logoPulse 3s ease-in-out infinite;
}
@keyframes logoPulse {
  0%, 100% { opacity: 0; transform: scale(1); }
  50% { opacity: 0.4; transform: scale(1.1); }
}
.search-box {
  flex: 1; max-width: 640px; position: relative;
}
.search-box i {
  position: absolute; left: 16px; top: 50%; transform: translateY(-50%);
  color: var(--text-muted); font-size: 0.88rem;
}
.search-input {
  width: 100%; padding: 10px 72px 10px 44px;
  border: 1.5px solid var(--border); border-radius: 12px;
  font-size: 0.9rem; background: var(--surface);
  color: var(--text-primary); transition: var(--transition);
}
.search-input::placeholder { color: var(--text-muted); }
.search-input:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.08), var(--shadow-sm);
}

/* ===== Keyboard focus (a11y) ===== */
:focus { outline: none; }
:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
  border-radius: 6px;
}
.card:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
  border-color: var(--primary);
}
.btn-icon:focus-visible,
.btn-sm:focus-visible,
.detail-back:focus-visible,
.detail-cta:focus-visible,
.nav-item:focus-visible,
.suggestion-chip:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Pressed/active feedback (tactile) ===== */
.card:active { transform: scale(0.985); }
.btn-icon:active,
.btn-sm:active,
.btn-ghost:active,
.detail-back:active,
.detail-cta:active,
.suggestion-chip:active,
.usecase-chip:active,
.empty-cta:active,
.back-to-top:active {
  transform: scale(0.96);
  transition: transform 0.08s ease;
}
.nav-item:active { transform: scale(0.97); transition: transform 0.08s ease; }

/* Empty state suggestions */
.empty-suggestions {
  display: flex; flex-wrap: wrap; gap: 8px;
  justify-content: center; margin: 16px 0 20px;
}
.suggestion-chip {
  padding: 7px 16px;
  font-size: 0.84rem; font-weight: 500;
  color: var(--primary);
  background: var(--primary-50);
  border: 1px solid rgba(37,99,235,0.15);
  border-radius: 100px;
  cursor: pointer; transition: var(--transition);
}
.suggestion-chip:hover {
  background: var(--primary); color: white;
  border-color: var(--primary);
  transform: translateY(-1px);
}
.search-kbd {
  position: absolute; right: 12px; top: 50%; transform: translateY(-50%);
  background: var(--surface-hover); border: 1px solid var(--border);
  border-radius: 6px; padding: 2px 8px; font-size: 0.72rem;
  color: var(--text-muted); font-weight: 500; pointer-events: none;
}
.header-actions {
  display: flex; align-items: center; gap: 18px; margin-left: auto;
}
.header-link {
  padding: 8px 14px; border-radius: 10px;
  font-size: 0.85rem; font-weight: 600;
  color: var(--text-secondary); background: var(--surface);
  border: 1px solid var(--border);
  display: inline-flex; align-items: center; gap: 6px;
  transition: var(--transition); letter-spacing: -0.01em;
}
.header-link:hover {
  color: var(--primary); border-color: var(--primary);
  background: rgba(37,99,235,0.06);
}
.header-link i { font-size: 0.78rem; }
.btn-icon {
  width: 40px; height: 40px; border: 1px solid var(--border);
  border-radius: 12px; background: var(--surface);
  display: flex; align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 1rem;
  transition: var(--transition);
}
.btn-icon:hover {
  background: var(--surface-hover); color: var(--text-primary);
  border-color: transparent;
}
.btn-sm {
  padding: 8px 18px; border-radius: 10px;
  font-size: 0.85rem; font-weight: 600; border: none;
  transition: var(--transition); letter-spacing: -0.01em;
}
.btn-primary {
  background: var(--gradient-primary); color: white;
  box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}
.btn-primary:hover {
  box-shadow: 0 4px 16px rgba(37,99,235,0.35);
  transform: translateY(-1px);
}
.btn-ghost {
  background: transparent; color: var(--text-secondary);
  border: 1px solid var(--border);
}
.btn-ghost:hover {
  background: var(--surface-hover); color: var(--text-primary);
  border-color: transparent;
}

/* ===== Layout: Sidebar + Main ===== */
.layout {
  display: flex;
  margin-top: var(--header-height);
  min-height: calc(100vh - var(--header-height));
}

/* ===== Sidebar ===== */
.sidebar {
  width: var(--sidebar-width);
  position: fixed; top: var(--header-height); left: 0; bottom: 0;
  background: rgba(255,255,255,0.6);
  backdrop-filter: blur(20px) saturate(150%);
  -webkit-backdrop-filter: blur(20px) saturate(150%);
  border-right: 1px solid rgba(226,232,240,0.5);
  overflow-y: auto; z-index: 50;
  transition: var(--transition);
}
.sidebar::-webkit-scrollbar { width: 3px; }
.sidebar::-webkit-scrollbar-thumb { background: var(--border); border-radius: 3px; }
.sidebar-nav { padding: 16px 12px; }
.nav-group-label {
  font-size: 0.68rem; font-weight: 700; text-transform: uppercase;
  letter-spacing: 0.1em; color: var(--text-muted);
  padding: 24px 14px 8px; user-select: none;
}
.nav-item {
  display: flex; align-items: center; gap: 12px;
  padding: 10px 14px; cursor: pointer;
  color: var(--text-secondary); font-size: 0.88rem; font-weight: 500;
  transition: var(--transition); border-radius: 10px;
  user-select: none; position: relative; margin-bottom: 2px;
}
.nav-item i { width: 20px; text-align: center; font-size: 0.92rem; transition: var(--transition); }
.nav-item:hover {
  background: var(--primary-50); color: var(--primary);
}
.nav-item.active {
  color: white; background: var(--gradient-primary);
  font-weight: 600;
  box-shadow: 0 2px 12px rgba(37,99,235,0.35);
}
.nav-item.active i { color: white; }
.nav-item .nav-count {
  margin-left: auto; font-size: 0.7rem;
  color: var(--text-muted); font-weight: 500;
  background: var(--surface-hover); padding: 2px 8px;
  border-radius: 20px; min-width: 24px; text-align: center;
}
.nav-item.active .nav-count {
  background: rgba(255,255,255,0.2); color: rgba(255,255,255,0.85);
}
.sidebar-footer {
  padding: 16px 14px; border-top: 1px solid var(--border);
  margin-top: 12px;
}
.sidebar-footer-text {
  font-size: 0.72rem; color: var(--text-muted);
  text-align: center; line-height: 1.5;
}

/* ===== Hero Section ===== */
.hero {
  background: var(--gradient-hero);
  background-size: 300% 300%;
  animation: heroGradient 12s ease infinite;
  border-radius: var(--radius-xl);
  padding: 32px 36px;
  margin-bottom: 36px;
  position: relative; overflow: hidden;
  color: white;
}
.hero-minimal {
  padding: 24px 32px;
  margin-bottom: 24px;
}
@keyframes heroGradient {
  0% { background-position: 0% 50%; }
  50% { background-position: 100% 50%; }
  100% { background-position: 0% 50%; }
}
.hero-orb {
  position: absolute; border-radius: 50%;
  background: radial-gradient(circle, rgba(255,255,255,0.1), transparent 70%);
  pointer-events: none;
}
.hero-orb-1 {
  width: 300px; height: 300px; top: -80px; right: -40px;
  animation: heroOrb1 8s ease-in-out infinite;
}
.hero-orb-2 {
  width: 200px; height: 200px; bottom: -60px; left: 15%;
  animation: heroOrb2 10s ease-in-out infinite;
}
.hero-orb-3 {
  width: 150px; height: 150px; top: 30%; right: 20%;
  animation: heroOrb3 7s ease-in-out infinite;
}
@keyframes heroOrb1 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.6; }
  50% { transform: translate(-20px, 30px) scale(1.15); opacity: 0.9; }
}
@keyframes heroOrb2 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.5; }
  50% { transform: translate(25px, -20px) scale(1.1); opacity: 0.8; }
}
@keyframes heroOrb3 {
  0%, 100% { transform: translate(0, 0) scale(1); opacity: 0.4; }
  50% { transform: translate(-15px, 15px) scale(1.2); opacity: 0.7; }
}
.hero-grid {
  position: absolute; inset: 0;
  background-image:
    linear-gradient(rgba(255,255,255,0.04) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,0.04) 1px, transparent 1px);
  background-size: 44px 44px;
  mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 100%);
  -webkit-mask-image: radial-gradient(ellipse 80% 70% at 50% 50%, black 20%, transparent 100%);
}
.hero-content { position: relative; z-index: 1; max-width: 600px; }
.hero h1 {
  font-size: 1.6rem; font-weight: 800; line-height: 1.25;
  letter-spacing: -0.03em; margin-bottom: 8px;
}
.hero-desc {
  font-size: 0.88rem; color: rgba(255,255,255,0.7);
  max-width: 480px; line-height: 1.55; margin-bottom: 18px;
}
.hero-stats {
  display: flex; gap: 32px;
  padding-top: 14px;
  border-top: 1px solid rgba(255,255,255,0.1);
}
.stat-item {}
.stat-number {
  font-size: 1.3rem; font-weight: 800; letter-spacing: -0.02em;
  display: inline-block;
}
.stat-label {
  font-size: 0.78rem; color: rgba(255,255,255,0.5); font-weight: 500;
  margin-top: 2px;
}

/* ===== Main Content ===== */
.main-content {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 28px 36px 80px;
  min-width: 0;
}

/* ===== News Section ===== */
.home-top {
  display: grid;
  grid-template-columns: 1.6fr 1fr;
  gap: 16px;
  margin-bottom: 32px;
  align-items: stretch;
}
.home-top .hero {
  margin-bottom: 0;
}
.news-section {
  margin: 0;
  padding: 20px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  display: flex; flex-direction: column;
  animation: cardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  position: relative; overflow: hidden;
}
.news-header {
  display: flex; align-items: center; justify-content: space-between;
  margin-bottom: 14px;
}
.news-title {
  font-size: 0.95rem; font-weight: 800;
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.news-title i {
  color: var(--primary);
  font-size: 0.85rem;
}
.news-dots {
  display: flex; gap: 5px;
}
.news-dot {
  width: 6px; height: 6px;
  border-radius: 50%;
  background: var(--border);
  cursor: pointer;
  transition: var(--transition);
}
.news-dot:hover { background: var(--text-muted); }
.news-dot.active {
  background: var(--primary);
  width: 18px;
  border-radius: 3px;
}

.news-slides {
  flex: 1;
  position: relative;
  min-height: 110px;
}
.news-slide {
  position: absolute;
  inset: 0;
  display: flex; flex-direction: column;
  gap: 8px;
  padding: 4px 2px;
  text-decoration: none; color: inherit;
  opacity: 0;
  transform: translateY(8px);
  transition: opacity 0.35s ease, transform 0.35s ease;
  pointer-events: none;
  cursor: pointer;
}
.news-slide.active {
  opacity: 1;
  transform: translateY(0);
  pointer-events: auto;
}
.news-slide:hover .news-slide-title {
  color: var(--primary);
}
.news-slide-meta {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.72rem;
}
.news-tag {
  font-size: 0.65rem; font-weight: 700;
  padding: 2px 8px; border-radius: 100px;
  background: var(--primary-50); color: var(--primary);
  white-space: nowrap;
}
.news-date { color: var(--text-muted); font-weight: 500; }
.news-source {
  color: var(--text-secondary);
  margin-left: auto;
  font-weight: 600;
}
.news-slide-title {
  font-size: 0.92rem; font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  letter-spacing: -0.01em;
  transition: color 0.2s ease;
}
.news-slide-note {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.55;
}

/* 移动端 */
@media (max-width: 640px) {
  .home-top {
    grid-template-columns: 1fr;
  }
}

/* ===== Section ===== */
.section {
  margin-bottom: 48px;
  opacity: 0; transform: translateY(20px);
  transition: opacity 0.6s ease, transform 0.6s ease;
}
.section.visible { opacity: 1; transform: translateY(0); }
.section-header {
  display: flex; justify-content: space-between; align-items: center;
  margin-bottom: 20px; padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  position: relative;
}
.section-header::after {
  content: '';
  position: absolute; bottom: -1px; left: 0;
  width: 60px; height: 2px;
  background: var(--gradient-primary);
  border-radius: 2px;
}
.section-title {
  font-size: 1.1rem; font-weight: 700;
  display: flex; align-items: center; gap: 10px;
  letter-spacing: -0.01em;
}
.section-title i {
  color: var(--primary); font-size: 0.9rem;
  width: 30px; height: 30px; border-radius: 8px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
}
.section-count {
  font-size: 0.76rem; color: var(--text-muted);
  font-weight: 500; background: var(--surface-hover);
  padding: 2px 10px; border-radius: 20px;
}

/* ===== Cards Grid ===== */
.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
  gap: 16px;
}

/* ===== Tool Card ===== */
.card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  padding: 18px 20px;
  transition: var(--transition);
  display: flex; flex-direction: column;
  position: relative; overflow: hidden;
  animation: cardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
  min-height: 158px;
}
@keyframes cardIn {
  from { opacity: 0; transform: translateY(14px); }
  to   { opacity: 1; transform: translateY(0); }
}
.card::before {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; height: 3px;
  background: var(--gradient-primary);
  opacity: 0; transition: opacity 0.3s;
  border-radius: var(--radius-lg) var(--radius-lg) 0 0;
}
.card:hover {
  border-color: rgba(37,99,235,0.2);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(37,99,235,0.06);
  transform: translateY(-3px);
  background: rgba(255,255,255,0.8);
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.card:hover::before { opacity: 1; }


.card-top {
  display: flex; align-items: flex-start; gap: 14px; margin-bottom: 10px;
}
.card-icon {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.05rem; flex-shrink: 0;
}
.card-icon.blue   { background: linear-gradient(135deg, #dbeafe, #eff6ff); color: #2563eb; }
.card-icon.cyan   { background: linear-gradient(135deg, #cffafe, #ecfeff); color: #06b6d4; }
.card-icon.green  { background: linear-gradient(135deg, #d1fae5, #ecfdf5); color: #059669; }
.card-icon.orange { background: linear-gradient(135deg, #fef3c7, #fffbeb); color: #d97706; }
.card-icon.purple { background: linear-gradient(135deg, #ede9fe, #f5f3ff); color: #7c3aed; }
.card-icon.pink   { background: linear-gradient(135deg, #fce7f3, #fdf2f8); color: #db2777; }
.card-icon.red    { background: linear-gradient(135deg, #fee2e2, #fef2f2); color: #dc2626; }
.card-icon.indigo { background: linear-gradient(135deg, #e0e7ff, #eef2ff); color: #4f46e5; }
.card-icon.teal   { background: linear-gradient(135deg, #ccfbf1, #f0fdfa); color: #0d9488; }

/* First-letter avatar colors */
.card-initial.blue   { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #1d4ed8; }
.card-initial.cyan   { background: linear-gradient(135deg, #cffafe, #a5f3fc); color: #0891b2; }
.card-initial.green  { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #047857; }
.card-initial.orange { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #b45309; }
.card-initial.purple { background: linear-gradient(135deg, #ede9fe, #ddd6fe); color: #6d28d9; }
.card-initial.pink   { background: linear-gradient(135deg, #fce7f3, #fbcfe8); color: #be185d; }
.card-initial.red    { background: linear-gradient(135deg, #fee2e2, #fecaca); color: #b91c1c; }
.card-initial.indigo { background: linear-gradient(135deg, #e0e7ff, #c7d2fe); color: #4338ca; }
.card-initial.teal   { background: linear-gradient(135deg, #ccfbf1, #99f6e4); color: #0f766e; }

/* Favicon */
.card-favicon {
  width: 44px; height: 44px; border-radius: 12px;
  object-fit: contain; flex-shrink: 0;
  background: var(--surface-hover); padding: 6px;
  border: 1px solid var(--border);
}

/* First-letter avatar (Skills / Courses) */
.card-initial {
  width: 44px; height: 44px; border-radius: 12px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.15rem; font-weight: 700; flex-shrink: 0;
  letter-spacing: -0.02em;
}

/* Badges */
.card-name-row {
  display: flex; align-items: center; gap: 8px;
  flex-wrap: wrap; margin-bottom: 3px;
}
.badge {
  font-size: 0.62rem; font-weight: 600;
  padding: 1px 7px; border-radius: 4px;
  letter-spacing: 0.01em; white-space: nowrap;
  line-height: 1.6;
}
.badge-free     { background: #d1fae5; color: #059669; }
.badge-freemium { background: #dbeafe; color: #2563eb; }
.badge-paid     { background: #fef3c7; color: #d97706; }
.badge-wall     { background: #fee2e2; color: #dc2626; }
.badge-api      { background: #ede9fe; color: #7c3aed; }
.badge-soon     { background: #f1f5f9; color: #64748b; }
.card--coming-soon { opacity: 0.75; }
.card--coming-soon .card-name { color: var(--text-secondary); }

/* Featured card (removed bento - keeping style for future editorial picks) */
.card-info { flex: 1; min-width: 0; }
.card-name {
  font-size: 0.92rem; font-weight: 700;
  letter-spacing: -0.01em;
}
.card-desc {
  font-size: 0.82rem; color: var(--text-secondary);
  line-height: 1.55;
  display: -webkit-box; -webkit-line-clamp: 2;
  -webkit-box-orient: vertical; overflow: hidden;
}
.card-meta {
  display: flex; align-items: center; gap: 14px;
  font-size: 0.76rem; color: var(--text-muted);
  margin-bottom: 2px;
}
.card-rating {
  display: flex; align-items: center; gap: 3px;
  font-weight: 600;
}
.card-rating i { font-size: 0.68rem; }
.card-rating.high { color: #10b981; }
.card-rating.mid  { color: #f59e0b; }
.learners, .duration {
  display: flex; align-items: center; gap: 4px;
}
.tag {
  font-size: 0.7rem; padding: 2px 9px;
  border-radius: 6px; font-weight: 500;
  background: var(--surface-hover); color: var(--text-secondary);
}
.tag:first-child {
  background: var(--primary-50); color: var(--primary);
}

/* ===== Empty State ===== */
.empty-state {
  text-align: center; padding: 80px 20px;
  color: var(--text-muted);
}
.empty-state i { font-size: 3rem; margin-bottom: 16px; display: block; opacity: 0.4; }
.empty-state p { font-size: 0.95rem; }

/* ===== Toast ===== */
.toast-container {
  position: fixed; top: 84px; right: 24px; z-index: 1000;
  display: flex; flex-direction: column; gap: 10px;
}
.toast {
  background: var(--surface); border-radius: var(--radius-lg);
  padding: 14px 20px; box-shadow: var(--shadow-lg);
  border-left: 3px solid var(--primary);
  display: flex; align-items: center; gap: 12px;
  min-width: 280px; max-width: 400px;
  animation: toastIn 0.4s cubic-bezier(0.16,1,0.3,1), toastOut 0.3s ease 2.7s forwards;
  font-size: 0.88rem; font-weight: 500;
  backdrop-filter: blur(12px);
}
.toast.success { border-left-color: var(--success); }
.toast.error   { border-left-color: var(--error); }
.toast.warning { border-left-color: var(--warning); }
@keyframes toastIn {
  from { transform: translateX(120%) scale(0.9); opacity: 0; }
  to   { transform: translateX(0) scale(1); opacity: 1; }
}
@keyframes toastOut {
  to { transform: translateX(120%) scale(0.9); opacity: 0; }
}

/* ===== Modal ===== */
.modal-overlay {
  position: fixed; inset: 0; z-index: 200;
  background: rgba(15,23,42,0.5);
  backdrop-filter: blur(16px) saturate(120%);
  display: none; align-items: center; justify-content: center;
  padding: 20px; opacity: 0; transition: opacity 0.3s;
}
.modal-overlay.active { display: flex; opacity: 1; }
.modal {
  background: var(--surface); border-radius: var(--radius-2xl);
  width: 100%; max-width: 520px; max-height: 90vh;
  overflow-y: auto; box-shadow: var(--shadow-xl);
  border: 1px solid var(--border);
  transform: scale(0.92) translateY(20px); opacity: 0;
  transition: transform 0.4s cubic-bezier(0.16,1,0.3,1), opacity 0.3s;
}
.modal-overlay.active .modal { transform: scale(1) translateY(0); opacity: 1; }
.modal-header {
  padding: 28px 28px 0; display: flex;
  justify-content: space-between; align-items: center;
}
.modal-title { font-size: 1.15rem; font-weight: 700; letter-spacing: -0.01em; }
.modal-close {
  width: 36px; height: 36px; border-radius: 10px;
  border: none; background: var(--surface-hover); cursor: pointer;
  display: flex; align-items: center; justify-content: center;
  color: var(--text-muted); font-size: 1rem; transition: var(--transition);
}
.modal-close:hover { background: var(--border); color: var(--text-primary); }
.modal-body { padding: 20px 28px 28px; }
.form-group { margin-bottom: 18px; }
.form-label {
  display: block; font-weight: 600; font-size: 0.85rem;
  margin-bottom: 6px; letter-spacing: -0.01em;
}
.form-label .required { color: var(--error); }
.form-input, .form-select, .form-textarea {
  width: 100%; padding: 11px 15px;
  border: 1.5px solid var(--border); border-radius: var(--radius);
  font-size: 0.9rem; background: var(--surface);
  color: var(--text-primary); transition: var(--transition);
}
.form-input:focus, .form-select:focus, .form-textarea:focus {
  outline: none; border-color: var(--primary);
  box-shadow: 0 0 0 4px rgba(37,99,235,0.08);
}
.form-textarea { resize: vertical; min-height: 80px; }
.form-actions { display: flex; gap: 10px; justify-content: flex-end; margin-top: 24px; }

/* ===== Cookie Banner ===== */
.cookie-banner {
  position: fixed; bottom: 0; left: 0; right: 0;
  background: rgba(255,255,255,0.85);
  backdrop-filter: blur(12px);
  border-top: 1px solid var(--border);
  padding: 16px 28px; display: flex; align-items: center;
  justify-content: space-between; gap: 16px; z-index: 90;
  transform: translateY(100%); transition: transform 0.4s cubic-bezier(0.16,1,0.3,1);
}
.cookie-banner.show { transform: translateY(0); }
.cookie-banner p { font-size: 0.85rem; color: var(--text-secondary); }
.cookie-actions { display: flex; gap: 8px; flex-shrink: 0; }

/* ===== Footer ===== */
.footer {
  margin-left: var(--sidebar-width);
  background: var(--surface); border-top: 1px solid var(--border);
  padding: 36px;
}
.footer-inner {
  max-width: 1200px; margin: 0 auto;
  display: flex; justify-content: space-between; align-items: center;
  flex-wrap: wrap; gap: 16px;
}
.footer-text { font-size: 0.85rem; color: var(--text-muted); }
.footer-links { display: flex; gap: 24px; }
.footer-links a {
  font-size: 0.85rem; color: var(--text-muted);
  transition: var(--transition); font-weight: 500;
}
.footer-links a:hover { color: var(--primary); }
.social-links { display: flex; gap: 10px; }
.social-links a {
  width: 36px; height: 36px; border-radius: 10px;
  background: var(--surface-hover); display: flex;
  align-items: center; justify-content: center;
  color: var(--text-muted); transition: var(--transition);
  border: 1px solid transparent;
}
.social-links a:hover {
  background: var(--gradient-primary); color: white;
  border-color: transparent; box-shadow: 0 2px 8px rgba(37,99,235,0.25);
}

/* ===== Back to Top ===== */
.back-to-top {
  position: fixed; bottom: 28px; right: 28px;
  width: 44px; height: 44px; border-radius: 12px;
  background: var(--gradient-primary); color: white;
  display: flex; align-items: center; justify-content: center;
  font-size: 1rem; box-shadow: var(--shadow-glow);
  cursor: pointer; border: none; z-index: 80;
  opacity: 0; transform: translateY(10px);
  transition: var(--transition); pointer-events: none;
}
.back-to-top.show { opacity: 1; transform: translateY(0); pointer-events: auto; }
.back-to-top:hover {
  box-shadow: 0 6px 24px rgba(37,99,235,0.4);
  transform: translateY(-2px);
}

/* ===== Mobile Menu Toggle ===== */
.menu-toggle {
  display: none; width: 40px; height: 40px;
  border: 1px solid var(--border); border-radius: 10px;
  background: var(--surface); align-items: center; justify-content: center;
  color: var(--text-secondary); font-size: 1.1rem;
  cursor: pointer; transition: var(--transition);
}

/* ===== Detail View ===== */
.detail-view {
  flex: 1;
  margin-left: var(--sidebar-width);
  padding: 0;
  min-height: calc(100vh - var(--header-height));
  min-width: 0;
  animation: detailFadeIn 0.32s cubic-bezier(0.16, 1, 0.3, 1);
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.detail-view.detail-out {
  opacity: 0;
  transform: translateY(-10px) scale(0.99);
  pointer-events: none;
}
@keyframes detailFadeIn {
  from { opacity: 0; transform: translateY(14px) scale(0.985); }
  to   { opacity: 1; transform: translateY(0) scale(1); }
}

/* 列表入场/出场过渡 */
.main-content {
  transition: opacity 0.22s ease, transform 0.22s ease;
}
.main-content.detail-out {
  opacity: 0;
  transform: scale(0.985);
  pointer-events: none;
}
.main-content.list-in {
  animation: listFadeIn 0.28s cubic-bezier(0.16, 1, 0.3, 1);
}
@keyframes listFadeIn {
  from { opacity: 0; transform: scale(0.985); }
  to   { opacity: 1; transform: scale(1); }
}

.detail-view-inner {
  max-width: 800px;
  margin: 0 auto;
  padding: 32px 36px 60px;
}

/* Back button */
.detail-back {
  display: inline-flex; align-items: center; gap: 8px;
  font-size: 0.85rem; font-weight: 600;
  color: var(--text-secondary); cursor: pointer;
  padding: 8px 16px; margin-bottom: 28px;
  border: 1px solid var(--border); border-radius: var(--radius);
  background: var(--surface); transition: var(--transition);
}
.detail-back:hover {
  color: var(--primary); border-color: var(--primary);
  background: var(--primary-50); transform: translateX(-2px);
}
.detail-back i { font-size: 0.75rem; transition: transform 0.2s; }
.detail-back:hover i { transform: translateX(-3px); }

/* Hero section */
.detail-hero {
  display: flex; align-items: flex-start; gap: 24px;
  margin-bottom: 24px; padding-bottom: 28px;
  border-bottom: 1px solid var(--border-light);
}
.detail-icon {
  width: 80px; height: 80px; border-radius: 20px;
  object-fit: contain; flex-shrink: 0;
  background: var(--surface-hover); padding: 10px;
  border: 1px solid var(--border);
}
.detail-icon-initial {
  width: 60px; height: 60px; border-radius: 14px;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 800; flex-shrink: 0;
}
.detail-icon-img {
  width: 60px; height: 60px; border-radius: 14px;
  object-fit: contain;
  background: var(--surface-hover); padding: 8px;
  border: 1px solid var(--border);
  flex-shrink: 0;
}
.detail-hero-info { flex: 1; min-width: 0; }
.detail-name {
  font-size: 1.6rem; font-weight: 800;
  letter-spacing: -0.02em; margin-bottom: 8px;
}
.detail-badges { display: flex; gap: 6px; flex-wrap: wrap; margin-bottom: 10px; }
.detail-slogan {
  font-size: 0.9rem; color: var(--text-secondary);
  margin-top: 4px;
}

/* Rating inline (merged into hero) */
.detail-rating-inline {
  display: flex; align-items: center; gap: 8px;
  margin: 6px 0 10px;
  font-size: 0.85rem; color: var(--text-muted);
}
.detail-rating-inline .detail-rating-value {
  font-weight: 700; color: var(--text-primary);
}
.detail-stars { color: #f59e0b; display: flex; gap: 2px; font-size: 0.8rem; }
.detail-rating-value { font-weight: 700; color: var(--text-primary); }

/* Visit CTA */
.detail-cta {
  display: flex; align-items: center; justify-content: center;
  gap: 8px; width: 100%; padding: 16px 32px;
  border-radius: var(--radius-lg);
  font-size: 1rem; font-weight: 700;
  background: var(--gradient-primary); color: #fff;
  border: none; cursor: pointer;
  box-shadow: 0 4px 20px rgba(37,99,235,0.35);
  transition: var(--transition);
  margin-bottom: 28px;
}
.detail-cta:hover {
  box-shadow: 0 8px 30px rgba(37,99,235,0.45);
  transform: translateY(-2px);
}

/* Content sections */
.detail-section {
  margin-bottom: 22px;
}
.detail-section-title {
  font-size: 1.05rem; font-weight: 800;
  margin-bottom: 16px; padding-bottom: 10px;
  border-bottom: 2px solid var(--border);
  letter-spacing: -0.01em;
  display: flex; align-items: center; gap: 8px;
}
.detail-section-title i {
  width: 28px; height: 28px; border-radius: 8px;
  background: var(--primary-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--primary); font-size: 0.8rem;
}

/* Description */
.detail-desc {
  font-size: 0.95rem; line-height: 1.8;
  color: var(--text-secondary);
}

/* Features */
.detail-features { list-style: none; }
.detail-features li {
  display: flex; align-items: flex-start; gap: 12px;
  padding: 10px 0; font-size: 0.9rem; color: var(--text-secondary);
  border-bottom: 1px solid var(--border-light);
  line-height: 1.6;
}
.detail-features li:last-child { border-bottom: none; }
.detail-features li strong { color: var(--text-primary); }
.detail-features li i { color: var(--success); margin-top: 5px; flex-shrink: 0; font-size: 0.7rem; }

/* Steps (how to use) */
.detail-steps { list-style: none; counter-reset: step; }
.detail-steps li {
  display: flex; align-items: flex-start; gap: 14px;
  padding: 12px 0; font-size: 0.9rem; color: var(--text-secondary);
  line-height: 1.6;
}
.detail-steps li::before {
  counter-increment: step;
  content: counter(step);
  display: flex; align-items: center; justify-content: center;
  min-width: 28px; height: 28px; border-radius: 50%;
  background: var(--primary-light); color: var(--primary);
  font-size: 0.78rem; font-weight: 800; flex-shrink: 0;
}

/* Platforms */
.detail-platforms {
  display: flex; gap: 8px; flex-wrap: wrap;
}
.detail-platform {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 8px 14px; border-radius: var(--radius);
  background: var(--surface-hover);
  border: 1px solid var(--border);
  font-size: 0.82rem; color: var(--text-secondary);
  transition: var(--transition);
}
.detail-platform:hover {
  border-color: var(--primary);
  color: var(--primary);
}
.detail-platform i { font-size: 0.85rem; }

/* Tags */
.detail-tags {
  display: flex; gap: 6px; flex-wrap: wrap;
  margin-bottom: 24px;
}
.detail-tags .tag { font-size: 0.78rem; padding: 4px 12px; }

/* Pros & Cons */
.detail-proscons {
  display: grid; grid-template-columns: 1fr 1fr; gap: 14px;
}
.proscons-col {
  padding: 16px 18px;
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  background: var(--surface);
}
.proscons-pros { border-left: 3px solid var(--success); background: linear-gradient(180deg, rgba(16,185,129,0.04), transparent); }
.proscons-cons { border-left: 3px solid var(--error); background: linear-gradient(180deg, rgba(239,68,68,0.04), transparent); }
.proscons-header {
  display: flex; align-items: center; gap: 8px;
  font-size: 0.82rem; font-weight: 700;
  margin-bottom: 10px;
}
.proscons-pros .proscons-header { color: var(--success); }
.proscons-cons .proscons-header { color: var(--error); }
.proscons-col ul { list-style: none; padding: 0; margin: 0; }
.proscons-col li {
  font-size: 0.85rem; color: var(--text-secondary);
  line-height: 1.5; padding: 4px 0 4px 18px;
  position: relative;
}
.proscons-pros li::before {
  content: '+';
  position: absolute; left: 0; top: 4px;
  font-weight: 800; color: var(--success);
}
.proscons-cons li::before {
  content: '−';
  position: absolute; left: 0; top: 4px;
  font-weight: 800; color: var(--error);
}

/* Use cases */
.detail-usecases {
  display: flex; flex-wrap: wrap; gap: 8px;
}
.usecase-chip {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 14px;
  font-size: 0.82rem; font-weight: 500;
  color: var(--text-secondary);
  background: var(--primary-50);
  border: 1px solid rgba(37,99,235,0.12);
  border-radius: 100px;
  transition: var(--transition);
}
.usecase-chip i {
  font-size: 0.72rem; color: var(--primary);
}
.usecase-chip:hover {
  background: var(--primary);
  color: white;
  border-color: var(--primary);
  transform: translateY(-1px);
}
.usecase-chip:hover i { color: white; }

/* Responsive: proscons 在窄屏堆叠 */
@media (max-width: 640px) {
  .detail-proscons { grid-template-columns: 1fr; }
}
@media (max-width: 480px) {
  .cards-grid { grid-template-columns: 1fr; }
  .card { padding: 14px 16px; min-height: unset; }
  .search-input { padding-right: 16px; }
  .hero h1 { font-size: 1.3rem; }
  .detail-icon-img, .detail-icon-initial { width: 48px; height: 48px; padding: 6px; font-size: 1.4rem; }
  .detail-name { font-size: 1.3rem; }
  /* Compact header actions to free up search-box space on small phones */
  .header-actions { gap: 6px; }
  .header-link { padding: 8px 10px; font-size: 0.8rem; }
  .header-actions .btn-sm { padding: 8px 12px; }
}

/* Similar tools */
.detail-similar {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
  gap: 12px;
}
.detail-similar-card {
  display: flex; align-items: center; gap: 10px;
  padding: 12px; border-radius: var(--radius);
  border: 1px solid var(--border);
  cursor: pointer; transition: var(--transition);
  text-decoration: none; overflow: hidden;
}
.detail-similar-card > div {
  min-width: 0; overflow: hidden;
}
.detail-similar-card:hover {
  border-color: var(--primary); background: var(--surface-hover);
}
.detail-similar-icon {
  width: 36px; height: 36px; border-radius: 10px;
  object-fit: contain;
  background: var(--surface-hover); padding: 4px;
  position: absolute; inset: 0;
}
.detail-similar-initial {
  width: 36px; height: 36px; border-radius: 10px;
  display: flex; align-items: center; justify-content: center;
  font-size: 0.95rem; font-weight: 800;
  position: absolute; inset: 0;
}
/* Reuse card-initial color palette for similar tool initials */
.detail-similar-initial.blue   { background: linear-gradient(135deg, #dbeafe, #bfdbfe); color: #1d4ed8; }
.detail-similar-initial.cyan   { background: linear-gradient(135deg, #cffafe, #a5f3fc); color: #0891b2; }
.detail-similar-initial.green  { background: linear-gradient(135deg, #d1fae5, #a7f3d0); color: #047857; }
.detail-similar-initial.orange { background: linear-gradient(135deg, #fef3c7, #fde68a); color: #b45309; }
.detail-similar-initial.purple { background: linear-gradient(135deg, #ede9fe, #ddd6fe); color: #6d28d9; }
.detail-similar-initial.pink   { background: linear-gradient(135deg, #fce7f3, #fbcfe8); color: #be185d; }
.detail-similar-initial.red    { background: linear-gradient(135deg, #fee2e2, #fecaca); color: #b91c1c; }
.detail-similar-initial.indigo { background: linear-gradient(135deg, #e0e7ff, #c7d2fe); color: #4338ca; }
.detail-similar-initial.teal   { background: linear-gradient(135deg, #ccfbf1, #99f6e4); color: #0f766e; }
.detail-similar-name {
  font-size: 0.85rem; font-weight: 600;
  color: var(--text-primary);
}
.detail-similar-desc {
  font-size: 0.72rem; color: var(--text-muted);
  overflow: hidden; text-overflow: ellipsis; white-space: nowrap;
}

.card { cursor: pointer; }

/* ===== Responsive ===== */
@media (max-width: 768px) {
  .menu-toggle { display: flex; }
  .search-input { padding-right: 16px; }
  .sidebar {
    position: fixed; top: var(--header-height);
    left: -100%; width: 80%; max-width: 300px;
    z-index: 90; transition: left 0.3s ease;
  }
  .sidebar.open { left: 0; }
  .sidebar-backdrop {
    display: none; position: fixed; inset: 0;
    background: rgba(0,0,0,0.4); z-index: 89;
  }
  .sidebar-backdrop.show { display: block; }
  .main-content { margin-left: 0; padding: 16px; }
  .footer { margin-left: 0; padding: 24px 16px; }
  .cards-grid { grid-template-columns: repeat(2, 1fr); gap: 10px; }
  .card { padding: 14px 16px; min-height: 140px; }
  .search-box { max-width: none; }
  .search-kbd { display: none; }
  .header-inner {
    padding: 0 14px; gap: 10px;
    grid-template-columns: auto auto 1fr auto;
  }
  .logo .logo-text { display: none; }
  .logo-icon { width: 32px; height: 32px; }
  .header-actions .btn-ghost { display: none; }
  .cookie-banner { flex-direction: column; text-align: center; }
  .hero {
    padding: 24px 20px; border-radius: var(--radius-lg);
    margin-bottom: 20px;
  }
  .hero h1 { font-size: 1.5rem; }
  .hero-stats { gap: 20px; }
  .stat-number { font-size: 1.2rem; }
  .detail-view { margin-left: 0; }
  .detail-view-inner { padding: 20px 16px 40px; }
  .detail-hero { flex-wrap: wrap; gap: 14px; }
  .detail-similar { grid-template-columns: 1fr; }
}
@media (min-width: 769px) and (max-width: 1200px) {
  .cards-grid { grid-template-columns: repeat(2, 1fr); }
}

/* iOS safe area */
.footer { padding-bottom: env(safe-area-inset-bottom, 0); }
.back-to-top { bottom: max(24px, env(safe-area-inset-bottom)); }
.detail-view-inner { padding-bottom: max(60px, env(safe-area-inset-bottom)); }

/* ===== Reduced Motion ===== */
@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: 0.01ms !important;
    animation-iteration-count: 1 !important;
    transition-duration: 0.01ms !important;
  }
  .bg-mesh .orb { animation: none !important; }
  .hero { animation: none !important; background-size: 100% !important; }
  .card:hover { transform: none !important; }
  .btn-primary:hover { transform: none !important; }
}

/* ===== Article Page (news 详情页) ===== */
.article-page {
  max-width: 720px;
  margin: 0 auto;
  padding: 28px 24px 80px;
  position: relative;
  z-index: 1;
}
.article-topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.article-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-weight: 800;
  font-size: 0.95rem;
  color: var(--text-primary);
  text-decoration: none;
  letter-spacing: -0.01em;
}
.article-logo .logo-icon {
  width: 28px;
  height: 28px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--gradient-primary);
  color: white;
  border-radius: 8px;
  font-size: 0.7rem;
  font-weight: 800;
}
.article-back-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 0.85rem;
  font-weight: 600;
  padding: 6px 14px;
  border: 1px solid var(--border);
  border-radius: var(--radius);
  background: var(--surface);
  text-decoration: none;
  transition: var(--transition);
}
.article-back-link:hover {
  color: var(--primary);
  border-color: var(--primary);
  background: var(--primary-50);
  transform: translateX(-2px);
}
.article-breadcrumb {
  font-size: 0.78rem;
  color: var(--text-muted);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 6px;
}
.article-breadcrumb a {
  color: var(--text-secondary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.article-breadcrumb a:hover { color: var(--primary); }
.article-breadcrumb .sep { color: var(--border); }

.article-header { margin-bottom: 28px; }
.article-tag {
  display: inline-block;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  background: var(--primary-50);
  color: var(--primary);
  margin-bottom: 14px;
  letter-spacing: 0.02em;
}
.article-title {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  line-height: 1.3;
  color: var(--text-primary);
  margin-bottom: 14px;
}
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 0.82rem;
  color: var(--text-muted);
  padding-bottom: 18px;
  border-bottom: 1px solid var(--border-light);
}
.article-meta .meta-sep { color: var(--border); }
.article-meta .meta-source { font-weight: 600; color: var(--text-secondary); }

.article-body {
  font-size: 0.95rem;
  line-height: 1.78;
  color: var(--text-secondary);
}
.article-body > *:first-child { margin-top: 0; }
.article-body p { margin: 0 0 18px; }
.article-body h2 {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 36px 0 14px;
  letter-spacing: -0.015em;
}
.article-body h3 {
  font-size: 1.02rem;
  font-weight: 700;
  color: var(--text-primary);
  margin: 26px 0 10px;
}
.article-body ul,
.article-body ol {
  margin: 0 0 18px;
  padding-left: 22px;
}
.article-body li { margin-bottom: 6px; }
.article-body strong { color: var(--text-primary); font-weight: 600; }
.article-body a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
  text-decoration-thickness: 1px;
}
.article-body blockquote {
  margin: 20px 0;
  padding: 14px 20px;
  border-left: 3px solid var(--primary);
  background: var(--surface-hover);
  border-radius: 0 var(--radius) var(--radius) 0;
  color: var(--text-secondary);
  font-style: normal;
}
.article-body blockquote p:last-child { margin-bottom: 0; }
.article-body code {
  font-family: 'SF Mono', Menlo, Consolas, monospace;
  font-size: 0.86em;
  padding: 2px 6px;
  background: var(--surface-hover);
  border-radius: 4px;
  color: var(--text-primary);
}
.article-body pre {
  margin: 18px 0;
  padding: 16px 18px;
  background: var(--surface-hover);
  border: 1px solid var(--border-light);
  border-radius: var(--radius);
  overflow-x: auto;
  font-size: 0.86rem;
  line-height: 1.6;
}
.article-body pre code {
  padding: 0;
  background: transparent;
  border-radius: 0;
}

.article-footer {
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-light);
}
.article-source {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.82rem;
  color: var(--text-muted);
  margin-bottom: 18px;
}
.article-source a {
  color: var(--primary);
  text-decoration: none;
  font-weight: 600;
}
.article-source a:hover { text-decoration: underline; }
.article-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  background: var(--gradient-primary);
  color: white;
  font-size: 0.88rem;
  font-weight: 600;
  border-radius: var(--radius);
  text-decoration: none;
  transition: var(--transition);
  box-shadow: var(--shadow-glow);
}
.article-cta:hover { transform: translateY(-1px); }

@media (max-width: 768px) {
  .article-page { padding: 20px 16px 60px; }
  .article-title { font-size: 1.45rem; }
  .article-body { font-size: 0.92rem; }
}

/* ===== News List Page (文章列表) ===== */
.news-list-page {
  max-width: 800px;
  margin: 0 auto;
  padding: 28px 24px 80px;
  position: relative;
  z-index: 1;
}
.news-list-hero {
  margin-bottom: 28px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-light);
}
.news-list-hero h1 {
  font-size: 1.85rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 10px;
}
.news-list-hero p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 12px;
}
.news-list-count {
  font-size: 0.78rem;
  color: var(--text-muted);
  font-weight: 500;
}
.news-list {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.news-item {
  display: block;
  padding: 18px 22px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, box-shadow 0.2s ease, transform 0.2s ease;
}
.news-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-1px);
}
.news-item-meta {
  display: flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 8px;
  font-size: 0.72rem;
}
.news-item-tag {
  font-size: 0.65rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
  background: var(--primary-50);
  color: var(--primary);
}
.news-item-date { color: var(--text-muted); }
.news-item-source {
  color: var(--text-secondary);
  font-weight: 600;
  margin-left: auto;
}
.news-item-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  line-height: 1.45;
  letter-spacing: -0.015em;
  margin-bottom: 6px;
  transition: color 0.2s ease;
}
.news-item:hover .news-item-title { color: var(--primary); }
.news-item-note {
  font-size: 0.85rem;
  color: var(--text-secondary);
  line-height: 1.55;
}
.news-list-empty {
  padding: 40px 20px;
  text-align: center;
  color: var(--text-muted);
  font-size: 0.9rem;
}

/* 首页 news-header "查看全部" 链接 */
.news-header-right {
  display: flex;
  align-items: center;
  gap: 14px;
}
.news-view-all {
  font-size: 0.76rem;
  font-weight: 600;
  color: var(--text-muted);
  text-decoration: none;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: color 0.2s ease;
}
.news-view-all:hover { color: var(--primary); }
.news-view-all i {
  font-size: 0.65rem;
  transition: transform 0.2s ease;
}
.news-view-all:hover i { transform: translateX(2px); }

@media (max-width: 768px) {
  .news-list-page { padding: 20px 16px 60px; }
  .news-list-hero h1 { font-size: 1.45rem; }
  .news-item { padding: 14px 16px; }
  .news-item-title { font-size: 0.98rem; }
}

/* ===== SPA Detail: 深度评测入口(条件渲染) ===== */
.detail-review-link {
  display: flex; align-items: center; justify-content: center;
  gap: 6px;
  margin: -16px 0 28px;
  font-size: 0.85rem; font-weight: 600;
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}
.detail-review-link:hover { color: var(--primary-dark); text-decoration: underline; }
.detail-review-link i { font-size: 0.78rem; }

/* ===== Tool Detail Page (静态工具详情页) ===== */
.tool-hero {
  display: flex; align-items: flex-start; gap: 20px;
  margin-bottom: 24px; padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.tool-icon-lg {
  flex-shrink: 0;
  width: 72px; height: 72px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid var(--border);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.tool-icon-lg img { width: 56px; height: 56px; object-fit: contain; padding: 6px; }
.tool-icon-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-size: 1.8rem; font-weight: 800; color: #fff;
  background: var(--gradient-primary);
}
.tool-hero-info { flex: 1; min-width: 0; }
.tool-hero-info h1 {
  font-size: 1.7rem; font-weight: 800;
  letter-spacing: -0.025em;
  color: var(--text-primary);
  margin-bottom: 8px;
}
.tool-rating {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.85rem; color: var(--text-secondary);
  margin-bottom: 10px;
}
.tool-rating .stars { color: #f59e0b; letter-spacing: 1px; }
.tool-rating .rating-value { font-weight: 700; color: var(--text-primary); }
.tool-badges {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin-bottom: 10px;
}
.tool-badge {
  font-size: 0.7rem; font-weight: 700;
  padding: 3px 10px; border-radius: 100px;
  background: var(--primary-50); color: var(--primary);
}
.tool-badge.badge-free { background: rgba(16,185,129,0.1); color: var(--success); }
.tool-badge.badge-paid { background: rgba(239,68,68,0.1); color: var(--error); }
.tool-badge.badge-freemium { background: rgba(245,158,11,0.1); color: var(--warning); }
.tool-slogan {
  font-size: 0.92rem; color: var(--text-secondary);
  line-height: 1.6;
}
.tool-cta-row {
  display: flex; gap: 10px; flex-wrap: wrap;
  margin-bottom: 28px;
}
.tool-cta-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 12px 24px;
  background: var(--gradient-primary); color: #fff;
  border-radius: var(--radius); text-decoration: none;
  font-size: 0.92rem; font-weight: 700;
  box-shadow: var(--shadow-glow);
  transition: var(--transition);
}
.tool-cta-primary:hover { transform: translateY(-1px); }
.tool-cta-secondary {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 12px 20px;
  background: var(--surface); color: var(--text-secondary);
  border: 1px solid var(--border);
  border-radius: var(--radius); text-decoration: none;
  font-size: 0.88rem; font-weight: 600;
  transition: var(--transition);
}
.tool-cta-secondary:hover {
  color: var(--primary); border-color: var(--primary);
  background: var(--primary-50);
}
.tool-proscons {
  display: grid; grid-template-columns: 1fr 1fr; gap: 16px;
  margin: 16px 0;
}
.tool-proscons-col {
  padding: 16px 18px;
  border-radius: var(--radius);
  background: var(--surface-hover);
}
.tool-proscons-col h4 {
  display: flex; align-items: center; gap: 6px;
  font-size: 0.88rem; font-weight: 700;
  margin-bottom: 10px;
}
.tool-proscons-col.pros h4 { color: var(--success); }
.tool-proscons-col.cons h4 { color: var(--error); }
.tool-proscons-col ul {
  margin: 0; padding-left: 18px;
  font-size: 0.85rem; line-height: 1.7;
  color: var(--text-secondary);
}
.tool-platforms {
  display: flex; flex-wrap: wrap; gap: 8px;
  margin: 12px 0;
}
.tool-platform {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 6px 12px;
  background: var(--surface); border: 1px solid var(--border);
  border-radius: 100px;
  font-size: 0.78rem; font-weight: 600;
  color: var(--text-secondary);
}
.tool-pricing-card {
  margin: 14px 0;
  padding: 14px 18px;
  background: var(--primary-50);
  border-left: 3px solid var(--primary);
  border-radius: 0 var(--radius) var(--radius) 0;
  font-size: 0.88rem;
  color: var(--text-secondary);
  line-height: 1.7;
}
@media (max-width: 640px) {
  .tool-hero { flex-direction: column; gap: 14px; }
  .tool-hero-info h1 { font-size: 1.4rem; }
  .tool-proscons { grid-template-columns: 1fr; }
}

/* ===== Tool Detail v2: TOC / 对比表 / FAQ ===== */
.toc {
  display: flex; flex-wrap: wrap; gap: 6px;
  margin: 0 0 28px;
  padding: 10px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
}
.toc-item {
  font-size: 0.76rem; font-weight: 500;
  color: var(--text-secondary);
  padding: 4px 10px;
  border-radius: 100px;
  background: var(--surface-hover);
  text-decoration: none;
  transition: color 0.2s ease, background 0.2s ease;
}
.toc-item:hover {
  color: var(--primary);
  background: var(--primary-50);
}

.tool-compare-wrap {
  overflow-x: auto;
  margin: 14px 0;
  border-radius: var(--radius);
  border: 1px solid var(--border);
}
.tool-compare {
  width: 100%; border-collapse: collapse;
  font-size: 0.84rem;
  background: var(--surface);
  min-width: 480px;
}
.tool-compare th, .tool-compare td {
  padding: 10px 12px;
  text-align: left;
  border-bottom: 1px solid var(--border-light);
  vertical-align: top;
}
.tool-compare th {
  background: var(--surface-hover);
  font-weight: 700; color: var(--text-primary);
  font-size: 0.78rem;
  white-space: nowrap;
}
.tool-compare th.col-current {
  background: var(--primary-50);
  color: var(--primary);
}
.tool-compare td { color: var(--text-secondary); }
.tool-compare tr:last-child td { border-bottom: none; }
.tool-compare td:first-child {
  font-weight: 600; color: var(--text-primary);
  white-space: nowrap;
}

.tool-faq {
  display: flex; flex-direction: column; gap: 8px;
  margin: 14px 0;
}
.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  transition: border-color 0.2s ease;
}
.faq-item[open] { border-color: var(--primary); }
.faq-item summary {
  padding: 14px 18px;
  font-size: 0.9rem; font-weight: 600;
  color: var(--text-primary);
  cursor: pointer;
  list-style: none;
  display: flex; align-items: center; justify-content: space-between;
  gap: 12px;
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary::after {
  content: '+';
  font-size: 1.3rem;
  font-weight: 300;
  color: var(--text-muted);
  transition: transform 0.2s ease;
  flex-shrink: 0;
}
.faq-item[open] summary::after {
  transform: rotate(45deg);
  color: var(--primary);
}
.faq-answer {
  padding: 0 18px 14px;
  font-size: 0.86rem; line-height: 1.7;
  color: var(--text-secondary);
}
.faq-answer p:last-child { margin-bottom: 0; }
.faq-answer a {
  color: var(--primary);
  text-decoration: underline;
  text-underline-offset: 2px;
}

/* ===== Collection Page (分类合集页) ===== */
.collection-hero {
  margin-bottom: 24px;
  padding-bottom: 24px;
  border-bottom: 1px solid var(--border-light);
}
.collection-hero h1 {
  font-size: 1.95rem;
  font-weight: 800;
  letter-spacing: -0.03em;
  color: var(--text-primary);
  margin-bottom: 12px;
  line-height: 1.3;
}
.collection-hero p {
  font-size: 0.95rem;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 14px;
}
.collection-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 0.78rem;
  color: var(--text-muted);
}
.collection-meta i { color: var(--primary); margin-right: 3px; }

.collection-top3 {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 14px;
  margin: 16px 0 24px;
}
.collection-top3-card {
  padding: 18px 20px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  position: relative;
  transition: var(--transition);
}
.collection-top3-card:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}
.collection-top3-rank {
  position: absolute;
  top: -10px;
  left: 18px;
  background: var(--gradient-primary);
  color: #fff;
  font-size: 0.7rem;
  font-weight: 700;
  padding: 3px 10px;
  border-radius: 100px;
  letter-spacing: 0.05em;
}
.collection-top3-card .rank-1 { background: linear-gradient(135deg, #f59e0b, #f97316); }
.collection-top3-card .rank-2 { background: linear-gradient(135deg, #94a3b8, #64748b); }
.collection-top3-card .rank-3 { background: linear-gradient(135deg, #b45309, #92400e); }
.collection-top3-header {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
}
.collection-top3-icon {
  width: 40px; height: 40px;
  border-radius: 10px;
  background: var(--surface-hover);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
  flex-shrink: 0;
}
.collection-top3-icon img { width: 30px; height: 30px; object-fit: contain; padding: 3px; }
.collection-top3-icon-fallback {
  width: 100%; height: 100%;
  display: flex; align-items: center; justify-content: center;
  font-weight: 800; font-size: 1rem; color: #fff;
  background: var(--gradient-primary);
}
.collection-top3-name {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: -0.01em;
}
.collection-top3-rating {
  font-size: 0.74rem;
  color: var(--text-muted);
}
.collection-top3-rating .stars { color: #f59e0b; }
.collection-top3-reason {
  font-size: 0.84rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 12px;
}
.collection-top3-link {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.78rem;
  font-weight: 600;
  color: var(--primary);
  text-decoration: none;
}
.collection-top3-link:hover { text-decoration: underline; }

.collection-tools {
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin: 14px 0;
}
.collection-tool-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 14px 18px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: var(--transition);
}
.collection-tool-item:hover {
  border-color: var(--primary);
  box-shadow: var(--shadow-sm);
}
.collection-tool-rank {
  flex-shrink: 0;
  width: 28px;
  font-size: 0.92rem;
  font-weight: 700;
  color: var(--text-muted);
  text-align: center;
}
.collection-tool-icon {
  flex-shrink: 0;
  width: 36px; height: 36px;
  border-radius: 8px;
  background: var(--surface-hover);
  display: flex; align-items: center; justify-content: center;
  overflow: hidden;
}
.collection-tool-icon img { width: 26px; height: 26px; object-fit: contain; padding: 3px; }
.collection-tool-info {
  flex: 1;
  min-width: 0;
}
.collection-tool-name {
  font-size: 0.95rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 3px;
  transition: color 0.2s ease;
}
.collection-tool-item:hover .collection-tool-name { color: var(--primary); }
.collection-tool-desc {
  font-size: 0.78rem;
  color: var(--text-secondary);
  line-height: 1.5;
  overflow: hidden;
  text-overflow: ellipsis;
  display: -webkit-box;
  -webkit-line-clamp: 1;
  -webkit-box-orient: vertical;
}
.collection-tool-meta {
  flex-shrink: 0;
  display: flex;
  flex-direction: column;
  align-items: flex-end;
  gap: 4px;
}
.collection-tool-rating {
  font-size: 0.78rem;
  color: var(--text-secondary);
  font-weight: 600;
}
.collection-tool-rating .stars { color: #f59e0b; }
.collection-tool-price {
  font-size: 0.66rem;
  font-weight: 700;
  padding: 2px 8px;
  border-radius: 100px;
}
.collection-tool-price.free { background: rgba(16,185,129,0.1); color: var(--success); }
.collection-tool-price.freemium { background: rgba(245,158,11,0.1); color: var(--warning); }
.collection-tool-price.paid { background: rgba(239,68,68,0.1); color: var(--error); }

@media (max-width: 640px) {
  .collection-hero h1 { font-size: 1.5rem; }
  .collection-tool-item { flex-wrap: wrap; }
  .collection-tool-meta { flex-direction: row; align-items: center; }
}

/* ===== Collection Nav (首页合集页入口区块) ===== */
.collection-nav {
  margin: 0 0 36px;
  padding: 24px 26px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-xl);
  animation: cardIn 0.5s cubic-bezier(0.16, 1, 0.3, 1) both;
}
.collection-nav-header {
  display: flex;
  align-items: baseline;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 18px;
  padding-bottom: 14px;
  border-bottom: 1px solid var(--border-light);
  flex-wrap: wrap;
}
.collection-nav-header h2 {
  font-size: 1.15rem;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: -0.015em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.collection-nav-header h2 i {
  color: var(--primary);
  font-size: 1rem;
}
.collection-nav-header p {
  font-size: 0.82rem;
  color: var(--text-muted);
}
.collection-nav-grid {
  display: grid;
  grid-template-columns: repeat(auto-fill, minmax(230px, 1fr));
  gap: 10px;
}
.collection-nav-item {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  text-decoration: none;
  color: inherit;
  transition: border-color 0.2s ease, background 0.2s ease, transform 0.2s ease, box-shadow 0.2s ease;
}
.collection-nav-item:hover {
  border-color: var(--primary);
  background: var(--primary-50);
  transform: translateY(-1px);
  box-shadow: var(--shadow-sm);
}
.collection-nav-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: var(--primary-50);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  flex-shrink: 0;
  transition: background 0.2s ease;
}
.collection-nav-item:hover .collection-nav-icon {
  background: var(--gradient-primary);
  color: #fff;
}
.collection-nav-info {
  flex: 1;
  min-width: 0;
}
.collection-nav-name {
  font-size: 0.9rem;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 2px;
  letter-spacing: -0.01em;
}
.collection-nav-meta {
  font-size: 0.72rem;
  color: var(--text-muted);
}
.collection-nav-arrow {
  font-size: 0.72rem;
  color: var(--text-muted);
  transition: color 0.2s ease, transform 0.2s ease;
  flex-shrink: 0;
}
.collection-nav-item:hover .collection-nav-arrow {
  color: var(--primary);
  transform: translateX(3px);
}

@media (max-width: 768px) {
  .collection-nav { padding: 18px 16px; }
  .collection-nav-grid { grid-template-columns: 1fr; }
}

/* ===== Site Footer (子页面统一页脚) ===== */
.site-footer {
  margin-top: 64px;
  padding: 52px 24px 32px;
  background: var(--surface);
  border-top: 1px solid var(--border);
}
.site-footer-inner {
  max-width: 960px;
  margin: 0 auto;
  text-align: center;
}
.site-footer-brand {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 14px;
}
.site-footer-logo {
  width: 38px; height: 38px;
  background: url('../images/logo-cat.svg') center/contain no-repeat;
  border-radius: 11px;
  box-shadow: 0 4px 14px rgba(251, 146, 60, 0.22);
  flex-shrink: 0;
}
.site-footer-name {
  font-size: 1.1rem;
  font-weight: 700;
  color: var(--text);
  letter-spacing: -0.01em;
}
.site-footer-sub {
  font-size: 0.75rem;
  color: #94a3b8;
  margin-top: 3px;
  letter-spacing: 0.02em;
  font-weight: 500;
  font-family: ui-monospace, "SF Mono", Menlo, Consolas, monospace;
}
.site-footer-tagline {
  font-size: 0.875rem;
  color: var(--text-muted);
  max-width: 460px;
  margin: 0 auto 28px;
  line-height: 1.65;
}
.site-footer-links {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 6px 22px;
  margin-bottom: 30px;
}
.site-footer-links a {
  font-size: 0.86rem;
  color: var(--text-muted);
  font-weight: 500;
  transition: var(--transition);
  text-decoration: none;
  position: relative;
}
.site-footer-links a:hover { color: var(--primary); }
.site-footer-bottom {
  display: flex;
  justify-content: center;
  align-items: center;
  flex-wrap: wrap;
  gap: 6px 10px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
  font-size: 0.8rem;
  color: var(--text-muted);
}
.site-footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: var(--transition);
}
.site-footer-bottom a:hover { color: var(--primary); }
.site-footer-bottom .sep { opacity: 0.35; }

@media (max-width: 600px) {
  .site-footer { padding: 40px 16px 26px; margin-top: 40px; }
  .site-footer-links { gap: 6px 16px; margin-bottom: 24px; }
  .site-footer-tagline { margin-bottom: 22px; }
}